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run code in 200+ php & hhvm versions
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<?php $cnt = 10000000; $value = 0; for ($i = 0; $i < $cnt; $i++) { $value++; } print($value);
Output for 5.3.12, 5.3.14 - 7.2.0
10000000
Output for 5.3.13

Process exited with code 137.